Extensions of Filtered Ogus Structures
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DOI: 10.1007/s10485-019-09576-8
Abstract: We compute the Ext group of the (filtered) Ogus category over a number field K . In particular we prove that the filtered Ogus realisation of mixed motives is not fully faithful. read more here.
Keywords: structures extensions; extensions filtered; filtered ogus; ogus structures ... See more keywords
The filtered Ogus realisation of motives
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Algebra"
DOI: 10.1016/j.jalgebra.2019.03.006
Abstract: Abstract We construct the (filtered) Ogus realisation of Voevodsky motives over a number field K. This realisation extends the functor defined on 1-motives by Andreatta, Barbieri-Viale and Bertapelle. As an illustration we note that the… read more here.
Keywords: realisation motives; ogus realisation; filtered ogus; realisation ... See more keywords